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Nata [24]
3 years ago
5

In which of the following cases is an immune response not beneficial?

Biology
2 answers:
schepotkina [342]3 years ago
8 0
Organ transplant answer3
salantis [7]3 years ago
8 0
Organ transplant 3 because then the immune system will try to attack the new organ because it is a foreign body so to say
                              
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Glial cells called _____ help maintain the blood-brain barrier, whereas _____ create the myelin that envelopes axons. astrocytes
mihalych1998 [28]

Answer: Glial cells called ASTROCYTES help maintain the blood-brain barrier, whereas SCHWANN CELLS create the myelin that envelopes axons

Explanation: Glial cells are specialized cell that are found in both central and peripheral nervous systems, that surrounds the neurones, providing them with support and insulation. There are different types of Glial cells these includes:

- Astrocytes: they maintain the blood brain barrier.

- Schwann cells: create the myelin that envelopes axons of the peripheral nervous system neurones.

- satellite cells: These cells help regulate the external chemical environment of neurones.

- Microglia: they clean up cellular debris through phagocytosis.

- Oligodendrocytes: create the myelin that envelopes axons of the central nervous system

5 0
3 years ago
Read 2 more answers
The glenoid cavity is where the Select one: a. clavicle articulates with the scapula. b. clavicle articulates with the sternum.
kati45 [8]

Answer:

The glenoid cavity is where the d. humerus articulates with the scapula.

Explanation:

The scapula is the bone that contains the glenoid cavity. The glenoid cavity is a part of the shoulder. This cavity forms the glenohumeral joint along with the humerus. The Humerus is a long bone of the upper arm, and the scapula articulates with this bone to form a ball and socket joint at the shoulder. These are all bones forming the shoulder girdle and upper extremities.

4 0
3 years ago
If acetyl-CoA is labeled with 14C at its methyl group, how many rounds of the cycle are required before 14CO2 is released?
Elis [28]

Answer:

14 CO₂ will be released in the second turn of the cycle

Explanation:

<u>Complete question goes like this</u>, "<em>The CO2 produced in one round of the citric acid cycle does not originate in the acetyl carbons that entered that round. If acetyl-CoA is labeled with 14C at the carbonyl carbon, how many rounds of the cycle are required before 14CO2 is released?</em>"

<u>The answer to this is</u>;

  • The labeled Acetyl of Acetyl-CoA becomes the terminal carbon (C4) of succinyl-CoA (which becomes succinate that is a symmetrical four carbon diprotic dicarboxylic acid from alpha-ketoglutarate).
  • Succinate converts into fumarate. Fumarate converts into malate, and malate converts into oxaloacetate. Because succinate is symmetrical, the oxaloacetate can have the label at C1 or C4.
  • When these condense with acetyl-CoA to begin the second round of the cycle, both of these carbons are discharged as CO2 during the isocitrate dehydrogenase and alpha-ketoglutarate dehydrogenase reactions (formation of alpha-ketoglutarate and succinyl-CoA respectively).

Hence, 14 CO₂ will be released in the second turn of the cycle.

3 0
3 years ago
Two similar plant cells are placed in two solutions. Cell 1 shrinks in size and cell 2 stays the same. Based on the evidence in
Ahat [919]
I believe is that one is salt water and the other is maybe regular water, salt water will shrink cells
7 0
3 years ago
What happens to water (H2O) and carbon dioxide (CO2) during photosynthesis?
Andrew [12]

Answer:

Carbon dioxide turns into glucose and water turns into oxygen

5 0
3 years ago
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